Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...

An artist's conception of a black hole's corona, which are the pale swirls above and below the black hole. Credit: NASA / Aurore Simonnet (Sonoma State Univ.) A strange black hole is making ...

Strange vibrations emanating from a supermassive black hole appear to be growing more frequent and they could be caused by a white dwarf star orbiting perilously close to its event horizon.

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected features never seen before using data from NASA missions and other facilities.

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary research Sara Hashemi An artist’s concept of a white dwarf orbiting a ...

A supermassive black hole surrounded by gas and dust as seen in infrared light (top left), visible light (top right), and low- and high-energy X-rays (bottom left, right). Image: NASA/JPL-Caltech ...

The supermassive black hole has been sending out flashes that have increased in speed. Astronomers say they have never seen anything like it before. The black hole is known as 1ES 1927+654 ...

Some 275 million light-years from the Milky Way lies a true cosmic mystery. There, in the heart of a galaxy named 1ES 1927+654, squats a supermassive black hole whose monkeyshines and hijinks have ...

They found that a large fraction of the LRDs in their sample showed signs of containing growing supermassive black holes. “We’re confounded by this new population of objects that Webb has found. We ...

Scientists had already been intrigued by this cosmic giant after a remarkable event in 2018, when its corona - made up of swirling hot plasma - suddenly vanished before reappearing months later. "We ...

There are more supermassive black holes than previously thought, say scientists (Alamy/PA) Many more supermassive black holes could be hiding in the universe than previously thought, according to ...